Dispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)}

Dispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)} · Cooperative Patent Classification (CPC)

Separating, mixing, shaping, printing, and transporting materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeB29C31/02
Official titleDispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)}
Display labelDispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)}
Total patents125

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
201513
20166
201712
201816
201916
202015
202116
202211
20234
202410
20253
20263

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC B29C31/02?
CPC B29C31/02 is the Cooperative Patent Classification code for “Dispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)}.”
How many patents are filed under CPC B29C31/02 (Dispensing from vessels, e.g. hoppers {(into a mould cavity B29C31/04; large containers characterised by discharge means B65D88/28, B65D88/54)})?
Our database includes 125 publications tagged with this CPC code.
Is patent activity under CPC B29C31/02 growing?
Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).